Touring Bike Tire Comparison:
Continental Contact II 2015 vs
Continental E.Contact 2015

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Contents and Test Summary

  1. Manufacturer Specifications
  2. Size and Weight Measurements
  3. Rolling Resistance Test Results
  4. Puncture Resistance Test Results
  5. Conclusion
  • Continental Contact II
  • Continental E.Contact
Performance compared to all other touring bike tires
(100% is fastest - lightest - thickest - strongest)

Manufacturer Specifications


Manufacturer Specs
Brand ContinentalContinental
Model Contact IIE.Contact
Year 20152015
Supplied By Supplied by ContinentalSupplied by Continental
Full Review Full ReviewFull Review
New or Used NewNew
Mileage 0 km0 km
Price Range MedMed
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Manufacturer Part Number 01002620100687
TPI 3/1803/180
Compound
Bead WireWire
ETRTO 37-62237-622
Size Inch 28"28"
Width mm 3737
Specified Weight 620 grams800 grams
Min Air Pressure 60 psi56 psi
Max Air Pressure 88 psi87 psi
Made In IndiaIndia
Available Sizes 47-622 (28x1.75)
42-622 (28x1.60)
37-622 (28x1.40)
32-622 (28x1.25)
28-622 (28x1.10)
47-622 (28x1.75)
42-622 (28x1.60)
37-622 (28x1.40)
47-559 (26x1.75)
Image
Continental Contact II 2015
Continental E.Contact 2015
Image
Continental Contact II 2015
Continental E.Contact 2015
Image
Continental Contact II 2015
Continental E.Contact 2015

Size and Weight Measurements


Size and Weight Measurements (Bike Wheel: 622-17C, Pressure: 100 psi / 6.8 bar)
Model Contact IIE.Contact
Specified Weight 620 grams800 grams
Measured Weight 623 grams840 grams
Measured Width Casing 34 mm35 mm
Measured Height 31 mm35 mm
Tread Depth 1.8 mm2 mm
Total Tire Thickness Center 4.2 mm6.6 mm
Total Tire Thickness Sidewall 1.95 mm1.85 mm

Rolling Resistance Test Results


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Rolling Resistance Test Results (Speed: 29 kmh / 18 mph, Load: 42.5 kg)
Model Contact IIE.Contact
Inner Tube Conti Tour 28 (170 gr butyl)Conti Tour 28 (170 gr butyl)
Spin Up Video No VideoNo Video
Rolling Resistance
90 PSI / 6 Bar
20.3 Watts
CRR: 0.00609
27.7 Watts
CRR: 0.00830
Rolling Resistance
75 PSI / 5 Bar
21.7 Watts
CRR: 0.00650
29.6 Watts
CRR: 0.00887
Rolling Resistance
60 PSI / 4 Bar
24.3 Watts
CRR: 0.00728
33.4 Watts
CRR: 0.01001
Rolling Resistance
45 PSI / 3 Bar
28.9 Watts
CRR: 0.00866
39.4 Watts
CRR: 0.01181
Rolling Resistance
30 PSI / 2 Bar
39.4 Watts
CRR: 0.01181
51.1 Watts
CRR: 0.01532
Use the formula: RR (Watts) = CRR * speed (m/s) * load (N) to calculate rolling resistance at a given speed and load.

Puncture Resistance Test Results


Puncture Resistance Test Results (higher is better)
Model Contact IIE.Contact
Puncture Resistance Tread 11 Points16 Points
Puncture Resistance Side 7 Points8 Points
Puncture Factor Tread* 46 Points106 Points
Puncture Factor Side* 14 Points15 Points
* Puncture Factor = Puncture Resistance * Total Tire Thickness.
Puncture Factor provides a more realistic puncture resistance score for touring tires.

Conclusion


Conclusion
Model Contact IIE.Contact
Full Review Full ReviewFull Review
Verdict Not RecommendedNot Recommended
Rating 2 / 52 / 5
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  • Continental Contact II
  • Continental E.Contact
Performance compared to all other touring bike tires
(100% is fastest - lightest - thickest - strongest)


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